Patents by Inventor Amy Ding

Amy Ding has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230301923
    Abstract: The invention provides an oral solid formulation comprising (a) a controlled release component comprising a core comprising levodopa, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric polymer; and (b) an immediate release component comprising levodopa.
    Type: Application
    Filed: April 6, 2023
    Publication date: September 28, 2023
    Applicant: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Patent number: 11666538
    Abstract: The invention provides an oral solid formulation comprising (a) a controlled release component comprising a core comprising levodopa, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric polymer; and (b) an immediate release component comprising carbidopa and levodopa.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: June 6, 2023
    Assignee: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Patent number: 11622941
    Abstract: The invention provides an oral solid formulation comprising (a) a controlled release component comprising a core comprising levodopa, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric polymer; and (b) an immediate release component comprising carbidopa and levodopa.
    Type: Grant
    Filed: July 10, 2021
    Date of Patent: April 11, 2023
    Assignee: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Publication number: 20230092422
    Abstract: The invention provides an oral solid formulation comprising (a) a controlled release component comprising a core comprising levodopa, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric polymer; and (b) an immediate release component comprising carbidopa and levodopa.
    Type: Application
    Filed: October 4, 2022
    Publication date: March 23, 2023
    Applicant: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Patent number: 11357733
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: June 14, 2022
    Assignee: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Publication number: 20210338591
    Abstract: The invention provides an oral solid formulation comprising (a) a controlled release component comprising a core comprising levodopa, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric polymer; and (b) an immediate release component comprising carbidopa and levodopa.
    Type: Application
    Filed: July 10, 2021
    Publication date: November 4, 2021
    Applicant: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Publication number: 20210128480
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Application
    Filed: January 13, 2021
    Publication date: May 6, 2021
    Applicant: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Patent number: 10987313
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: April 27, 2021
    Assignee: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Patent number: 10973769
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and a method of using the controlled release oral solid formulation to treat Parkinson's disease or primary parkinsonism.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: April 13, 2021
    Assignee: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Publication number: 20200253881
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and a method of using the controlled release oral solid formulation to treat Parkinson's disease or primary parkinsonism.
    Type: Application
    Filed: May 1, 2020
    Publication date: August 13, 2020
    Applicant: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Patent number: 10688058
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: June 23, 2020
    Assignee: Impax Laboratories, LLC
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Publication number: 20200009062
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Application
    Filed: September 17, 2019
    Publication date: January 9, 2020
    Applicant: Impax Laboratories, Inc.
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Publication number: 20190254978
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Application
    Filed: March 21, 2019
    Publication date: August 22, 2019
    Applicant: Impax Laboratories, Inc.
    Inventors: Ann Hsu, Liang Dong, Amy Ding, Suneel Gupta
  • Patent number: 10292935
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: May 21, 2019
    Assignee: Impax Laboratories, Inc.
    Inventors: Ann Hsu, Liang C. Dong, Amy Ding, Suneel Gupta
  • Patent number: 10098845
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: October 16, 2018
    Assignee: IMPAX LABORATORIES, LLC
    Inventors: Ann Hsu, Liang C. Dong, Amy Ding, Suneel Gupta
  • Publication number: 20160287523
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer; and (b) a decarboxylase inhibitor component.
    Type: Application
    Filed: April 6, 2016
    Publication date: October 6, 2016
    Inventors: Ann Hsu, Liang C. Dong, Amy Ding, Suneel Gupta
  • Publication number: 20160250170
    Abstract: The invention provides a controlled release oral solid formulation comprising (a) a controlled release component comprising core comprising levodopa and/or an ester of levodopa or salts thereof, wherein the core is coated with a layer of a muco-adhesive polymer and externally coated with a layer of an enteric coated polymer, and (b) a decarboxylase inhibitor component.
    Type: Application
    Filed: October 7, 2014
    Publication date: September 1, 2016
    Inventors: Ann Hsu, Liang C. Dong, Amy Ding, Suneel Gupta